It is quite a serious problem. My hometown has a large population (commonly known as the Koala capital) and I grew up with them always around like people imagine is the case with the majority of Australia (however most places dont have roos or koalas roaming about the streets in significant numbers). I certainly remember the loud mating noises at night that we would sometimes get!

roadbikeRob saidThey are a very beautiful animal, it is very tragic to see that they are endangered. I would not doubt that invasion of their habitat along with suburban sprawl is also a major culprit.

Some serious reasions why we need to slow down immigration, to slow down the urban sprawl, that is having a negative impact on our Flora and Fauna.